Electrical stimulation device



FIG. 1 is a front view of an electrical stimulation device showing the design;

FIG. 2 is a bottom plan view thereof;

FIG. 3 is a side elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a rear elevational view thereof;

FIG. 6 is a front perspective view thereof;

FIG. 7 is a rear perspective view thereof;

FIG. 8 is a fragmental exploded front perspective view thereof;

FIG. 9 is another fragmental exploded front perspective view thereof;

FIG. 10 is a front view of a second configuration of that shown in FIG. 1;

FIG. 11 is a bottom plan view thereof;

FIG. 12 is a side elevational view thereof;

FIG. 13 is a top plan view thereof;

FIG. 14 is a rear elevational view thereof;

FIG. 15 is a front perspective view thereof;

FIG. 16 is a rear perspective view thereof;

FIG. 17 is a fragmental exploded front perspective view thereof; and,

FIG. 18 is another fragmental exploded front perspective view thereof.

The broken lines shown represent the portions of the electrical stimulation device that form no part of the claimed design. 

CLAIM The ornamental design for an electrical stimulation device, as shown and described. 